gesture recognizer: Reset velocities of the fingers after a pinch-end/swipe-end.

ui/base/gestures/gesture_point.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_BASE_GESTURES_GESTURE_POINT_H_
 #define UI_BASE_GESTURES_GESTURE_POINT_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ui/base/gestures/velocity_calculator.h"
 #include "ui/gfx/point.h"
 
 namespace ui {
 class TouchEvent;
 
 // A GesturePoint represents a single touch-point/finger during a gesture
 // recognition process.
 class GesturePoint {
  public:
   GesturePoint();
   ~GesturePoint();
 
   // Resets various states.
   void Reset();
 
+  void ResetVelocity();
+
   // Updates some states when a Tap gesture has been recognized for this point.
   void UpdateForTap();
 
   // Updates some states when a Scroll gesture has been recognized for this
   // point.
   void UpdateForScroll();
 
   // Updates states depending on the event and the gesture-state.
   void UpdateValues(const TouchEvent& event);
 
@@ skipping 63 matching lines @@
   VelocityCalculator velocity_calculator_;
 
   int point_id_;
   int touch_id_;
   DISALLOW_COPY_AND_ASSIGN(GesturePoint);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_GESTURES_GESTURE_POINT_H_